They are available from 1/4 to 30 HP and feature the Class F Max Guard insulation system, constant torque operation from 0 to base speed on vector drive and constant horsepower operation to twice the base RPM. Black Max models are priced from $149 to $2,369. Blue Max 2000 vector-duty motors are available from 40 to 100 HP and are designed for inverter or vector applications. The feature the Class H Max Guard insulation system and offer constant horsepower operation to 1.5 times base RPM, as well as constant torque operation from 0 to base speed on vector drive, including TEFC. On V/Hz drives, TEFC motors are limited to 20:1 constant torque. Blue Max motors range from $2,999 to $5,069 in price. Blue Chip XRI inverter-duty motors are available from 40 to 100 HP and meet NEMA premium efficiencies. They feature 10:1 variable torque and 20:1 constant torque on VFD with 1.0 service factor. Blue chip motors offer Class F insulation and continuous duty at 40 degrees C ambient, and are priced from $1,819 to $4,059.
Motors Up to 100 HP
Several new additions to the Marathon motor line of products are available from the vendor. Black Max motors are designed for inverter or vector applications in which a constant torque speed range of up to 1000:1 is required.
Jul 19th, 2004